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  1. ProTofik

    Wireless replacement for my 10 years old Phonak PFE112

    Hi. Nearly 10 years ago you helped me pick Phonak PFE112. I have been using them all these years and loved the sound. I have recently changed my phone to one that doesn't have 3.5mm jack. On top of that, my Phonak's jack started acting up. I could fix it, get USB-C adapter etc... but I decided...
  2. ProTofik

    Phonak Audeo PFE replacement part

    Hello. First of all, I don't know how the part I'm looking for is called in English. It's the small tube holding the cable in place, marked on the photo below:       My IEMs are over 2 years old now. The tubes have turned yellow-ish now, and are not as stiff as when I bought them any...
  3. ProTofik

    Need a schematic for simple speaker amp

    Hello. In the past few months I successfully built O2 (on PCB), Starving Student (Point to point) and CMOY (strip board) headphone amplifiers. Now I would like to try to make some simple stereo speaker amp.    Can anyone recommend me some simple and cheap to make schematic for stereo...
  4. ProTofik

    Few questions about CMOY

    Hello. I just finished my first CMOY using this guide. The only modification that I made was that I used 2 batteries and LME49720HA opamp.   Q1. What will happen when batteries will run low? Would the amp just stop playing? Q2. The amp is a bit too loud for my liking. How can I lower the...
  5. ProTofik

    IEMs for up to £100 - Neutral sound - Driven by Galaxy S3

    Hello. I am looking for IEMs for up to £100. I am going to use them mainly in the bus or while walking on the streets.  As a Sennheiser HD600 user I prefer neutral sounding headphones without much colouration. I don't have any experience with earphones except my current Klipsh S4.    I...
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